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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>window.performance.timing attributes after a reloaded navigation</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
<link rel="help" href="http://www.w3.org/TR/navigation-timing/#sec-navigation-timing-interface"/>
<link rel="help" href="http://www.w3.org/TR/navigation-timing/#sec-navigation-info-interface"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/performance-timeline-utils.js"></script>
<script src="resources/webperftestharness.js"></script>
<script>
setup({explicit_done: true});
// explicitly test the namespace before we start testing
test_namespace('navigation');
var reload_frame;
var initial_timing;
function onload_test()
{
reload_frame = document.getElementById("frameContext");
if (reload_frame.contentWindow.performance === undefined)
{
// avoid script errors
done();
return;
}
reload_frame.onload = do_test;
// save frame's initial timings
initial_timing = {};
var timing = reload_frame.contentWindow.performance.timing;
for (var i = 0; i < timingAttributes.length; ++i)
{
var property = timingAttributes[i];
initial_timing[property] = timing[property];
}
step_timeout(reload_the_frame, 100);
}
function reload_the_frame()
{
reload_frame.contentWindow.location.reload(true);
}
function do_test()
{
reload_frame.onload = "";
// ensure the frame reloaded
test_equals(reload_frame.contentWindow.performance.navigation.type,
performanceNamespace.navigation.TYPE_RELOAD,
"window.performance.navigation.type == TYPE_RELOAD");
// ensure reload timings changed
var timing = reload_frame.contentWindow.performance.timing;
for (var i = 0; i < timingAttributes.length; ++i)
{
var property = timingAttributes[i];
// ignore any timings that were zero initially
if (initial_timing[property] !== 0)
{
test_not_equals(timing[property], initial_timing[property],
property + " is different after the reload.");
}
}
done();
}
</script>
</head>
<body onload="onload_test();">
<h1>Description</h1>
<p>This test validates that the window.performance.timing attributes change when a page is reloaded.</p>
<p>This page should be loaded with a green background frame below. The frame will be automatically reloaded
and then verified that the window.performance.timing attributes have been updated to the new reloaded navigation timings.</p>
<div id="log"></div>
<br />
<iframe id="frameContext" src="resources/blank_page_green.html" style="width: 250px; height: 250px;"></iframe>
</body>
</html>
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